CPC - C03C - 2018.01 C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS Chemical composition of glasses, glazes, vitreous enamels, frit compositions, devitrified glass ceramics structured glass such s powdered glass, multi-cellular, beads, fibres or filaments of glass glass with special properties such as coloured, photosensitive, luminescent, dielectric, ionsensitive, chemical resistant Surface treatment of glass, surface treatment of fibres or filaments from glass, minerals or slags coating with various materials mechanical treatment of glass diffusion of ions or metals into the surface drying, dehydration chemical treatment such as etching cleaning Joining glass to glass or other materials by fusing, by specially adapted adhesive, interlayer Joining metals with the aid of glass Relationships with other classification places Ceramics, defined as mono or polycrystalline material, do not fall in the definition of C03C and are covered by C04B 35/00. Laminates (or layered material) do not correspond to coatings on glass and are covered by B32B. Coatings of fabrics (including made of glass fibers) is part of D06M. Aspects relating to manufacture of glass (processes, furnace, shaping...) are covered by C03B. Amorphous metals, metallic glasse B22F or C22C Laminated material with one layer of glass B32B 17/00 Processes for making glass Organic glasses C03B C08L Inks C09D 5/00 or C09D 11/00 Pigments Coating of fabrics C09K D06M Mats made of glass fibers D21H 13/40 Insulating glazings E06B 3/00 1
C03C (continued) CPC - C03C - 2018.01 Optical elements G02B 5/00 Photomasks G03F 1/00 Electrodes for solar cells, OLED H01L 51/52 Low temp. cofired ceramics LTCC H05K 1/16, H01G 4/12, C04B 35/468, H01L 23/488 In the group C03C 14/00 and its subgroups, the treshold for classifiying a material as inorganic glass is that it comprises at least 50%. In the other groups of C03C, glass is the only material. Material comprising glass and ceramic made by sintering a mixture of glass and ceramic is classified in C03C 14/00 Multilayer coating of glass articles is classified in C03C, e.g. C03C 17/34 subgroups and laminates are classified in B32B. A coating formed directly onto a substrate layer, which at the moment of its contact with the substrate does not have the form of a layer is not classified in B32B (layer is defined in glossary of terms section in B32B). The database SADIQ is used in combination with classes C03C 3/00, C03C 8/00, C03C 10/00, C03C 11/00, C03C 12/00, C03C 13/00 and C03C 14/00. Documents containing compositions of glass, enamel, glaze, devitrified glass, glass fiber are classified in SADIQ. The rules applied to index in SADIQ are: Documents claiming one or a range of composition(s) of glass, enamel, glaze, devitrified glass, glass fiber or documents describing such compositions which are not already part of prior art (e.g. commercialised products, well-known compositions) are indexed. One SADIQ record per (range of) compositions, including the optional components present in examples. A single document may correspond to several SADIQ records if it contains several compositions. The SADIQ record contains the document identifier (patent number or XP number for nonpatent literature), the title, the publication date, the composition, the applications and properties if relevant, further information in INF field (such as ratio of FeO/Fe2O3, sum of components not predefined in the composition part or further properties/applications not listed before.) The composition in SADIQ is entered in weight percents for oxide or oxyhalide glasses The composition in SADIQ is entered in mol percents for fluoride glasses The composition in SADIQ is entered in atomic percents for chalcogenide glasses. See the SADIQ factsheet for further information. Glass Glass-ceramics Glass batch Glass composition Ceramic Glaze Enamel Slag amorphous material material having a crystalline phase dispersed in a glassy phase and obtained after formation of a solid glass raws materials of glass before melting Materials forming the glass after melting monocrystalline or polycrystalline material Thin vitrified layer on a ceramic Thin vitrified layer on a metal or a glass Partially vitrified by-product obtained when making metal 2
CPC - C03C - 2018.01 C03C 1/00 Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels Components, batch material which eventually become part of a glass. This subgroup covers the group C03C6/00 in IPC. Mechanical treatment of raw material (e.g. pelletisation) C03B 1/00 Processes to produce glass by wet route (sol-gel) C03B 19/12 C03C 3/00 Glass compositions Compositions of glass. Compositions of enamels, frits C03C 8/00 Compositions of glass-ceramics C03C 10/00 Compositions of glass fibers C03C 13/00 Compositions of ceramics C04B 35/00 Classes are given according to examples of the invention (not comparative examples), not according to the general range of compositions Indexing Code C03C 2201/00, C03C 2203/00 and C03C 2204/00 if necessary with class C03C 3/06 If both the glass and the frit composition are claimed, classification is given in both C03C 8/00 and C03C 3/00 (or C03C 10/00) Documents containing glass compositions and receiving a class in C03C 3/00 are indexed in SADIQ. In classes C03C 3/23 and C03C 3/247, compositions are often expressed in ionic percents, which is not compatible with SADIQ; in this case, the relevant class is given, but the composition is not entered in SADIQ. 3
C03C 3/00 (continued) CPC - C03C - 2018.01 Glass amorphous structure C03C 4/00 Compositions for glass with special properties Glass with special properties, e.g UV absorbing, bioactive glass, The special properties are related to chemical, biological, physical properties, e.g. biodegradable, coloured, photosensitive, dielectic Relationships with other classification places Classification is made in C03C 4/00 in combination with relevant classes in C03C 3/00, C03C 8/00 and C03C 10/00. Laser glass H01S 3/17 Indexing Code C03C 2204/00 used in combination with C03C 4/00. C03C 8/00 Enamels; Glazes (cold glazes for ceramics {C04B 41/48}); Fusion seal compositions being frit compositions having non-frit additions Frit compositions of glaze, vitreous enamels and sealing that are not classified in the more specific subgroups, e.g. enamel or glaze which do not contain features of the subgroups Cold glazes for ceramics C04B 41/48 Conductive bodies H01B 1/00 Electrodes H01L 31/0224 4
C03C 8/00 (continued) CPC - C03C - 2018.01 Fuel cells H01M 8/028 Last place rule applies. Glass solders, compositions for sealing fuel cells or barrier ribs are covered by subgroup C03C 8/24. If both the glass and the frit composition are claimed, classification is given in both C03C 8/00 and C03C 3/00 or C03C 10/00. Indexing Code C03C 2204/00, C03C 2205/00, C03C 2207/00 and C03C 2209/00 are used in combination with C03C 8/00. Documents containing frit compositions and receiving a symbol in C03C 8/00 are indexed in SADIQ. Glass Ceramic Glaze Enamel Frit amorphous structure monocrystalline or polycrystalline material Thin vitrified layer on a ceramic Thin vitrified layer on a metal or a glass Ceramic composition that has been fused, quenched to form a glass, and granulated. Frits are used in compounding enamels Synonyms and Keywords In patent documents, the following words/expressions are often used as synonyms: "vehicle" and "solvent" C03C 10/00 Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition Devitrified glass compositions, whatever the % of crystalline phase in the glass (amorphous) phase is. Compositions containing crystalline phase embedded in a glassy (amorphous) phase, which crystalline phase is produced by cooling a molten glass composition to a temperature which causes a portion only of the composition to crystallize while the remainder of the composition (the matrix) solidified in the amorphous or glass state) Processes for making glass-ceramics C03B 32/00 Ceramics C04B 35/00 5
C03C 10/00 (continued) CPC - C03C - 2018.01 Subgroups C03C 10/0054 - C03C 10/16 can be combined with subgroups C03C 10/0009 - C03C 10/0045 if applicable. Classes are given according to examples of the invention (not comparative examples), not according to the general range of compositions. Indexing Code C03C 2204/00 are used in combination with C03C 10/00. Documents containing glass compositions and receiving a class in C03C 10/00 are indexed in SADIQ. Synonyms and Keywords In patent documents, the following words/expressions are often used as synonyms: "glass-ceramics" and "devitrified glass" C03C 11/00 Multi-cellular glass {; Porous or hollow glass or glass particles} Multi-cellular glass, e.g. Hollow glass, hollow glass particles, porous glass, porous glass particles, foam glass. Compositions other than glass compositions which are multicellular, or which are to be further treated to produce multicellular products, or processes for producing such products. Note : a positive pore-forming step is required for classifying a claim herein and porosity due to the presence of a naturally porous substance is not sufficient for classifying herein. Manufacture of muti-cellular glass C03B Documents containing glass compositions and receiving a class in C03C 11/00 are indexed in SADIQ. C03C 12/00 Powdered glass (C03C 8/02 takes precedence); Bead compositions Compositions of glass as powder (except glaze, enamel, sealing), of glass as bead and flake. Subject matter wherein the glass is present in the form of discrete lumps or small shaped selfsupporting pieces larger than what may be considered as powder or compositions specifically intended to be made into beads. 6
C03C 12/00 (continued) CPC - C03C - 2018.01 Frit compositions C03C 8/00 Documents containing glass compositions and receiving a class in C03C 12/00 are indexed in SADIQ. C03C 13/00 Fibre or filament compositions (manufacture of fibres or filaments C03B 37/00) Compositions of fibre or filaments, e.g. glass-ceramic fibres, fibre optics, mineral fibres Manufacture of fibres or filaments C03B 37/00 C03C 13/001 covers alkali-resistant fibres and fibers resisting to a low ph Man-made mineral fibers are classified in C03C 13/00. Fibers from natural origin (e.g. from basalt) are classified in C03C 13/06. Indexing Code C03C 2213/00 are used in combination with C03C 13/00. Documents containing glass compositions and receiving a class in C03C 13/00 are indexed in SADIQ. If both the glass composition and the fiber are claimed, classification is given in both C03C 13/00 and C03C 3/00 or C03C 10/00. Multicomponent glass fiber glass fiber containing further components besides SiO2 (e.g. doped) 7
CPC - C03C - 2018.01 C03C 14/00 Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix (devitrified glass ceramics C03C 10/00) Glass compositions containing non-glass components, e.g. fibres, whiskers, the percentage of glass in the composition being at least 50% Glass-ceramics C03C 10/00 Indexing Code C03C 2214/00 and C03C 2214/20 used in combination with C03C 14/00. Documents containing glass compositions and receiving a class in C03C 14/00 are indexed in SADIQ. C03C 15/00 Surface treatment of glass, not in the form of fibres or filaments, by etching (etching or surface-brightening compositions, in general C09K 13/00) Etching by chemical means and by dry methods,e.g. laser gaseous or plasma etching Mechanical treatments of glass C03C 19/00 Cleaning of glass C03C 23/0075 Leaching of glass C03C 23/008 Etching or surface-brightening compositions, in general C09K 13/00 Etching Chemical etching Leaching taking away part of the glass, independently of nature of ions Any intentional change of shape of an glass article or substrate by the removal of material involving a chemical reaction or physical solvation using a chemical agent (the etchant) taking away specific ions of the glass 8
C03C 15/00 (continued) CPC - C03C - 2018.01 Cleaning taking away matter that does not form part of the glass C03C 17/00 Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B 1/10) Surface treatment by coating on a glass substrate that is not in the form of fibers or filaments, the base material being the glass substrate, e.g. flat glass, glass container, bottle. No adhesive is used when coating, e.g. plating of nickel on glass is considered as a coating obtained by plating and is classified in this group Relationships with other classification places Surface treatment of glass, not in the form of fibres or filaments other than by coating are classified in other subgroups of C03C, e.g. surface treatment of glass by meachnical means is classified in C03C 19/00, surface treatment of glass by thermal treatment is classified in C03C 23/007 Laminates Coating on a ceramic substrate B32B C04B Coating on a plastic substrate C08J 7/00 Coating on a metallic substrate Coating on a fabric C23D D06M Optical coatings of optical elements G02B 1/10 Coatings on glass bottles B65D 23/08 Coating apparatus by sputtering or vapour phase C23C 14/00, C23C 16/00 Coating of solar cells H01L 31/0216 All coatings in C03C 17/36 are classified in C03C 17/36 and below if appropriate. Indexing Code C03C 2217/00 and C03C 2218/00 are used in combination with C03C 17/00. 9
CPC - C03C - 2018.01 C03C 19/00 Surface treatment of glass, not in the form of fibres or filaments, by mechanical means (sand-blasting, grinding, or polishing glass B24) Mechanical treatment of glass surface Sand-blasting, grinding, or polishing glass Polishing compositions C09G 1/00 B24 Grinding, crushing B02C C03C 21/00 Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface Diffusion of ions or metals in the surface of the glass in liquid, gaseous and solid phase e.g. ionexchange in glass. Processes and apparatus for ion-exchange B01J 47/00 C03C 23/00 Other surface treatment of glass not in the form of fibres or filaments Treatments of glass not in form or fibres or filaments not covered elsewhere in C03C, Treatments of the surface or the inside of the glass, e.g. laser treatment on the surface or the inside of the glass depending on the laser's focus. 10
C03C 23/00 (continued) CPC - C03C - 2018.01 Etching glass C03C 15/00 Pretreatment before coating glass (e.g. cleaning) C03C 2218/31 Fire-polishing of glass C03B Etching Leaching Cleaning taking away part of the glass, independently of nature of ions taking away specific ions of the glass taking away matter that does not form part of the glass Synonyms and Keywords In patent documents, the following words/expressions are often used as synonyms: "Lixiviation", "skeletonization " and " leaching" C03C 25/00 Surface treatment of fibres or filaments made from glass, minerals or slags Coating and other surface treatment applied to glass fibres and glass filaments, fibres being single fibres or bundle of fibres Woven fabrics Non-woven fabrics Treatment of fibres D03 D04 D06M C03C 25/26: all sizing compositions should be classified in this class and additionally in the subgroups if appropriate Coatings on optical glass fibres are solely to be classified in C03C 25/104 and subgroups. Ion exchange for fibres is classified in C03C 25/60, the coating being at the surface of the fibres or penetrating into the body of the fibres. Treatment of mat comprising glass fibres (woven or non woven) is not classified in C03C, but in D06M 11
CPC - C03C - 2018.01 C03C 25/104 to obtain optical fibres Manufacture of glass fibres or filaments by drawing or extruding C03B 37/023 Optical fibres with cladding, with or without a coating G02B 6/02 Cladding Coating Layer arranged around a core, in which optical properties of the cladding and the core, e.g. refractive index, are different. Layer of plastics or other materials to give non-optical properties, e.g. mechanical properties, to a finished optical fibre. C03C 25/465 Coatings containing composite materials Composite material Material made from two or more compounds with different physical or chemical properties C03C 27/00 Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing (C03C 17/00 takes precedence; layered structures comprising at least one glass sheet B32B 17/00; wired glass C03B; joining glass to ceramics C04) Joining glass to glass, e.g. with the aid of adhesive, Joining glass to metal, e.g. by fusing, by an interlayer Joining glass to other inorganic material except glass to ceramics. The IPC class C03C27/12 is covered by B32B 17/00. Relationships with other classification places Joining of two pieces of glass by fusing is classified in C03B 12
C03C 27/00 (continued) CPC - C03C - 2018.01 Laminated glass B32B 17/00 Wired glass C03B Joining glass to ceramics C04 Sealing for car windows B60J 1/00 Sealing of discharge tubes H01J 9/24 C03C 29/00 Joining metals with the aid of glass Sealing or joining two parts of metal with the aid of glass. 13